<link rel="stylesheet" href="${base}/static/vendor/webuploader/webuploader.css"/>
<style>

</style>
<div id="mainContent" class="easyui-layout" data-options="fit:true">
    <div data-options="region:'north'" style="overflow: hidden;height: 250px;">
        <div id="uploader">
            <div class="queueList">
                <div id="dndArea" class="placeholder">
                    <div id="filePicker"></div>
                    <p>或将照片拖到这里</p>
                </div>
            </div>
            <div class="statusBar" style="display:none;">
                <div class="progress">
                    <span class="text">0%</span>
                    <span class="percentage"></span>
                </div>
                <div class="info"></div>
                <div class="btns">
                    <div id="filePicker2"></div>
                    <div class="uploadBtn">开始上传</div>
                </div>
            </div>
        </div>
    </div>
    <div data-options="region:'center'">
        <table id="imagesDg" title="" class="easyui-datagrid"
               data-options="
                url: '${base}/admin/imglib/dataList.do',
                fit:true,
                lines: true,
                rownumbers: false,
                striped: true,
                animate:true,
                singleSelect : true,
                showFooter: true,
                pagination: true,
                idField: 'imgId',
                onLoadSuccess: loadSuccess
            " border="0">
            <thead data-options="frozen:true">
            <tr>
                <th data-options="field:'imgName'" width="20%">图片名称</th>
                <th data-options="field:'imgType'" width="8%">类型</th>
                <th data-options="field:'imgSize',formatter:formatterSize" width="8%">大小</th>
                <th data-options="field:'imgUrl'" width="15%">显示地址</th>
                <th data-options="field:'imgLink'" width="15%">链接地址</th>
                <th data-options="field:'createTime'" width="8%">上传时间</th>
                <th data-options="field:'goodsId',formatter:formatterStatus" width="8%">状态</th>
                <th data-options="field:'imgId',formatter:formatterControl" width="8%">操作</th>
            </tr>
            </thead>
        </table>
    </div>
</div>



<script charset="utf-8" src="${base}/static/vendor/webuploader/webuploader.js"></script>
<script>

    $(function(){
        var $ = jQuery,    // just in case. Make sure it's not an other libaray.

            $wrap = $('#uploader'),

            // 图片容器
            $queue = $('<ul class="filelist"></ul>')
                .appendTo( $wrap.find('.queueList') ),

            // 状态栏，包括进度和控制按钮
            $statusBar = $wrap.find('.statusBar'),

            // 文件总体选择信息。
            $info = $statusBar.find('.info'),

            // 上传按钮
            $upload = $wrap.find('.uploadBtn'),

            // 没选择文件之前的内容。
            $placeHolder = $wrap.find('.placeholder'),

            // 总体进度条
            $progress = $statusBar.find('.progress').hide(),

            // 添加的文件数量
            fileCount = 0,

            // 添加的文件总大小
            fileSize = 0,

            // 优化retina, 在retina下这个值是2
            ratio = window.devicePixelRatio || 1,

            // 缩略图大小
            thumbnailWidth = 110 * ratio,
            thumbnailHeight = 110 * ratio,

            // 可能有pedding, ready, uploading, confirm, done.
            state = 'pedding',

            // 所有文件的进度信息，key为file id
            percentages = {},

            supportTransition = (function(){
                var s = document.createElement('p').style,
                    r = 'transition' in s ||
                        'WebkitTransition' in s ||
                        'MozTransition' in s ||
                        'msTransition' in s ||
                        'OTransition' in s;
                s = null;
                return r;
            })(),

            // WebUploader实例
            uploader;

        if ( !WebUploader.Uploader.support() ) {
            alert( 'Web Uploader 不支持您的浏览器！如果你使用的是IE浏览器，请尝试升级 flash 播放器');
            throw new Error( 'WebUploader does not support the browser you are using.' );
        }

        // 实例化
        uploader = WebUploader.create({
            pick: {
                id: '#filePicker',
                label: '点击选择图片'
            },
            dnd: '#uploader .queueList',
            paste: document.body,

            accept: {
                title: 'Images',
                extensions: 'gif,jpg,jpeg,bmp,png',
                mimeTypes: 'image/*'
            },

            disableGlobalDnd: true,
            chunked: true,
            server: '${base}/admin/imglib/ajaxUploadImg.do',
            fileNumLimit: 10,
            fileSizeLimit: 5 * 1024 * 1024,
            fileSingleSizeLimit: 1 * 1024 * 1024
        });

        // 添加“添加文件”的按钮，
        uploader.addButton({
            id: '#filePicker2',
            label: '继续添加'
        });

        uploader.on('uploadSuccess', function(file, data){
            $.insdep.control('${base}/admin/imglib/goodImgs.do');
        });


        uploader.on( 'uploadComplete', function( file ) {
            $( '#'+file.id ).find('.progress').remove();
        });

        // 当有文件添加进来时执行，负责view的创建
        function addFile( file ) {
            var $li = $( '<li id="' + file.id + '">' +
                    '<p class="title">' + file.name + '</p>' +
                    '<p class="imgWrap"></p>'+
                    '<p class="progress"><span></span></p>' +
                    '</li>' ),

                $btns = $('<div class="file-panel">' +
                    '<span class="cancel">删除</span>' +
                    '<span class="rotateRight">向右旋转</span>' +
                    '<span class="rotateLeft">向左旋转</span></div>').appendTo( $li ),
                $prgress = $li.find('p.progress span'),
                $wrap = $li.find( 'p.imgWrap' ),
                $info = $('<p class="error"></p>'),

                showError = function( code ) {
                    switch( code ) {
                        case 'exceed_size':
                            text = '文件大小超出';
                            break;

                        case 'interrupt':
                            text = '上传暂停';
                            break;

                        default:
                            text = '上传失败，请重试';
                            break;
                    }

                    $info.text( text ).appendTo( $li );
                };

            if ( file.getStatus() === 'invalid' ) {
                showError( file.statusText );
            } else {
                // @todo lazyload
                $wrap.text( '预览中' );
                uploader.makeThumb( file, function( error, src ) {
                    if ( error ) {
                        $wrap.text( '不能预览' );
                        return;
                    }

                    var img = $('<img src="'+src+'">');
                    $wrap.empty().append( img );
                }, thumbnailWidth, thumbnailHeight );

                percentages[ file.id ] = [ file.size, 0 ];
                file.rotation = 0;
            }

            file.on('statuschange', function( cur, prev ) {
                if ( prev === 'progress' ) {
                    $prgress.hide().width(0);
                } else if ( prev === 'queued' ) {
                    $li.off( 'mouseenter mouseleave' );
                    $btns.remove();
                }

                // 成功
                if ( cur === 'error' || cur === 'invalid' ) {
                    showError( file.statusText );
                    percentages[ file.id ][ 1 ] = 1;
                } else if ( cur === 'interrupt' ) {
                    showError( 'interrupt' );
                } else if ( cur === 'queued' ) {
                    percentages[ file.id ][ 1 ] = 0;
                } else if ( cur === 'progress' ) {
                    $info.remove();
                    $prgress.css('display', 'block');
                } else if ( cur === 'complete' ) {
                    $li.append( '<span class="success"></span>' );
                }

                $li.removeClass( 'state-' + prev ).addClass( 'state-' + cur );
            });

            $li.on( 'mouseenter', function() {
                $btns.stop().animate({height: 30});
            });

            $li.on( 'mouseleave', function() {
                $btns.stop().animate({height: 0});
            });

            $btns.on( 'click', 'span', function() {
                var index = $(this).index(),
                    deg;

                switch ( index ) {
                    case 0:
                        uploader.removeFile( file );
                        return;

                    case 1:
                        file.rotation += 90;
                        break;

                    case 2:
                        file.rotation -= 90;
                        break;
                }

                if ( supportTransition ) {
                    deg = 'rotate(' + file.rotation + 'deg)';
                    $wrap.css({
                        '-webkit-transform': deg,
                        '-mos-transform': deg,
                        '-o-transform': deg,
                        'transform': deg
                    });
                } else {
                    $wrap.css( 'filter',
                        'progid:DXImageTransform.Microsoft.BasicImage(rotation='+ (~~((file.rotation/90)%4 + 4)%4) +')');
                }


            });

            $li.appendTo( $queue );
        }

        // 负责view的销毁
        function removeFile( file ) {
            var $li = $('#'+file.id);

            delete percentages[ file.id ];
            updateTotalProgress();
            $li.off().find('.file-panel').off().end().remove();
        }

        function updateTotalProgress() {
            var loaded = 0,
                total = 0,
                spans = $progress.children(),
                percent;

            $.each( percentages, function( k, v ) {
                total += v[ 0 ];
                loaded += v[ 0 ] * v[ 1 ];
            } );

            percent = total ? loaded / total : 0;

            spans.eq( 0 ).text( Math.round( percent * 100 ) + '%' );
            spans.eq( 1 ).css( 'width', Math.round( percent * 100 ) + '%' );
            updateStatus();
        }

        function updateStatus() {
            var text = '', stats;

            if ( state === 'ready' ) {
                text = '选中' + fileCount + '张图片，共' +
                    WebUploader.formatSize( fileSize ) + '。';
            } else if ( state === 'confirm' ) {
                stats = uploader.getStats();
                if ( stats.uploadFailNum ) {
                    text = '已成功上传' + stats.successNum+ '张照片至XX相册，'+
                        stats.uploadFailNum +
                        '张照片上传失败，<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
                }

            } else {
                stats = uploader.getStats();
                text = '共' + fileCount + '张（' +
                    WebUploader.formatSize( fileSize )  +
                    '），已上传' + stats.successNum + '张';

                if ( stats.uploadFailNum ) {
                    text += '，失败' + stats.uploadFailNum + '张';
                }
            }

            $info.html( text );
        }

        function setState( val ) {
            var file, stats;

            if ( val === state ) {
                return;
            }

            $upload.removeClass( 'state-' + state );
            $upload.addClass( 'state-' + val );
            state = val;

            switch ( state ) {
                case 'pedding':
                    $placeHolder.removeClass( 'element-invisible' );
                    $queue.parent().removeClass('filled');
                    $queue.hide();
                    $statusBar.addClass( 'element-invisible' );
                    uploader.refresh();
                    break;

                case 'ready':
                    $placeHolder.addClass( 'element-invisible' );
                    $( '#filePicker2' ).removeClass( 'element-invisible');
                    $queue.parent().addClass('filled');
                    $queue.show();
                    $statusBar.removeClass('element-invisible');
                    uploader.refresh();
                    break;

                case 'uploading':
                    $( '#filePicker2' ).addClass( 'element-invisible' );
                    $progress.show();
                    $upload.text( '暂停上传' );
                    break;

                case 'paused':
                    $progress.show();
                    $upload.text( '继续上传' );
                    break;

                case 'confirm':
                    $progress.hide();
                    $upload.text( '开始上传' ).addClass( 'disabled' );

                    stats = uploader.getStats();
                    if ( stats.successNum && !stats.uploadFailNum ) {
                        setState( 'finish' );
                        return;
                    }
                    break;
                case 'finish':
                    stats = uploader.getStats();
                    if ( stats.successNum ) {

                    } else {
                        // 没有成功的图片，重设
                        state = 'done';
                        location.reload();
                    }
                    break;
            }

            updateStatus();
        }

        uploader.onUploadProgress = function( file, percentage ) {
            var $li = $('#'+file.id),
                $percent = $li.find('.progress span');

            $percent.css( 'width', percentage * 100 + '%' );
            percentages[ file.id ][ 1 ] = percentage;
            updateTotalProgress();
        };

        uploader.onFileQueued = function( file ) {
            fileCount++;
            fileSize += file.size;

            if ( fileCount === 1 ) {
                $placeHolder.addClass( 'element-invisible' );
                $statusBar.show();
            }

            addFile( file );
            setState( 'ready' );
            updateTotalProgress();
        };

        uploader.onFileDequeued = function( file ) {
            fileCount--;
            fileSize -= file.size;

            if ( !fileCount ) {
                setState( 'pedding' );
            }

            removeFile( file );
            updateTotalProgress();

        };

        uploader.on( 'all', function( type ) {
            var stats;
            switch( type ) {
                case 'uploadFinished':
                    setState( 'confirm' );
                    break;

                case 'startUpload':
                    setState( 'uploading' );
                    break;

                case 'stopUpload':
                    setState( 'paused' );
                    break;

            }
        });

        uploader.onError = function( code ) {
            alert( 'Error: ' + code );
        };

        $upload.on('click', function() {
            if ( $(this).hasClass( 'disabled' ) ) {
                return false;
            }

            if ( state === 'ready' ) {
                uploader.upload();
            } else if ( state === 'paused' ) {
                uploader.upload();
            } else if ( state === 'uploading' ) {
                uploader.stop();
            }
        });

        $info.on( 'click', '.retry', function() {
            uploader.retry();
        } );

        $info.on( 'click', '.ignore', function() {

        } );

        $upload.addClass( 'state-' + state );
        updateTotalProgress();

        var cardview = $.extend({}, $.fn.datagrid.defaults.view, {
            renderRow: function(target, fields, frozen, rowIndex, rowData){
                var cc = [];
                cc.push('<td colspan=' + fields.length + ' style="padding:10px 5px;border:0;">');
                var img = '${base}'+rowData.imgUrl;
                cc.push('<img src="' + img + '" style="width:280px;float:left">');
                cc.push('<div style="float:left;margin-left:50px;">');
                for(var i=0; i<fields.length; i++){
                    var copts = $(target).datagrid('getColumnOption', fields[i]);
                    if (fields[i] == 'goodsId') {
                        cc.push('<p><span class="c-label">' + copts.title + ':</span> ' + (rowData[fields[i]]=='' || rowData[fields[i]]==undefined ? '<font color="#ff0000">未使用</font>':'<font color="#008000">使用中</font>') + '</p>');
                    } else if (fields[i] == 'imgId') {
                        cc.push('<p><span class="c-label">' + copts.title + ':</span> <a class="img-remove" data-value="'+rowData[fields[i]]+'">删除</a></p>');
                    } else if (fields[i] == 'imgSize') {
                        var size = parseInt(rowData[fields[i]]);
                        var sizeTxt = size+' B';
                        if(size > 1024 && size < 1024 * 1024) {
                            sizeTxt = (size/1024).toFixed(2)+' KB';
                        } else if (size > 1024 * 1024) {
                            sizeTxt = (size/(1024*1024)).toFixed(2)+' MB';
                        }
                        cc.push('<p><span class="c-label">' + copts.title +
                            ':</span> '+sizeTxt+'</p>');
                    } else {
                        cc.push('<p><span class="c-label">' + copts.title + ':</span> ' + rowData[fields[i]] + '</p>');
                    }
                }
                cc.push('</div></td>');
                return cc.join('');
            }
        });

        $('#imagesDg').datagrid({ view: cardview });
    });

    function formatterSize(val, row) {
        if (val > 1024 && val < 1024 * 1024) {
            val = (val / 1024).toFixed(2) + 'KB';
        } else if (val > 1024 * 1024) {
            val = (val/(1024 * 1024)).toFixed(2) + 'MB'
        } else {
            val = val + 'B';
        }
        return val;
    }

    function formatterStatus(val, row) {
        if (val == null || val == undefined) {
            return '未使用'
        }
        return '使用中';
    }

    function formatterControl(val, row) {
        var del = '<a class="delBtn" href="#" ">删除</a>';

        return del;
    }

    function loadSuccess(data) {
        $('.img-remove').linkbutton({
            plain: true,
            iconCls: 'icon-remove',
            disable: false,
            onClick: function () {
                alert($(this).attr('data-value'));
            }
        });
    }

</script>